Data is set of observation. This observation can be collected in various ways such as field notes, survey or…

Bar Graph-two categorical variable In the previous article, we have discussed tabulating and graphing one categorical variable through table…

Sharpe Ratio is the most extensively used metric in the finance world to evaluate the performance of an investment.…

So, let’s look at another example to understand tabulating the two categorical variables. In previous article we have described…

One issue with range and the interquartile range (IQR) both is that they don’t include information from all the…

In a dataset, an alternative plot apart from the histogram is a density plot. Similar to a histogram, a…